Associations between the severity of nasal septal deviation and nasopharynx volume in different ages and sexes: a cone-beam computed tomography study

Maxillofacial Plastic and Reconstructive Surgery

Table 3 The results of the Pearson and point-biserial correlation coefficients (n for each coefficient = 202)

Parameter	Statistic	Sex^a	Age	NPV
Age	R	− 0.030
Age	P	0.670
Nasopharynx volume (mm³)	R	0.078	− 0.528
Nasopharynx volume (mm³)	P	0.271	0.000
NSD (°)	R	− 0.090	0.648	− 0.793
NSD (°)	P	0.201	0.000	0.000

^aResults pertaining to sex are calculated using the point-biserial correlation coefficient. NPV nasopharynx volume, NSD nasal septal deviation